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by Science Source
$54.00
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Product Details
You'll never run out of power again! If the battery on your smartphone or tablet is running low... no problem. Just plug your device into the USB port on the top of this portable battery charger, and then continue to use your device while it gets recharged.
With a recharge capacity of 5200 mAh, this charger will give you 1.5 full recharges of your smartphone or recharge your tablet to 50% capacity.
When the battery charger runs out of power, just plug it into the wall using the supplied cable (included), and it will recharge itself for your next use.
Design Details
Edith Clarke (February 10, 1883 - October 29, 1959) was an American electrical engineer. After being orphaned at age 12, she was raised by her older... more
Dimensions
1.80" W x 3.875" H x 0.90" D
Ships Within
1 - 2 business days
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Edith Clarke (February 10, 1883 - October 29, 1959) was an American electrical engineer. After being orphaned at age 12, she was raised by her older sister. She used her inheritance to study mathematics and astronomy at Vassar College, where she graduated in 1908. After college, Clarke taught mathematics and physics, briefly studied civil engineering at the University of Wisconsin-Madison, but left to become a human computer at AT&T in 1912. In 1918, Clarke enrolled at the Massachusetts Institute of Technology, and the following year she became the first woman to earn an M.S. in electrical engineering from MIT. Unable to find work as an engineer, she went to work for General Electric as a supervisor of computers in the Turbine Engineering Department. In 1921, she invented the Clarke calculator, a simple graphical device that solved equations involving electric current, voltage and impedance in power transmission lines. The device could solve line equations involving hyperbolic function...
$54.00
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